<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button
            type="primary"
            size="small"
            @click="hAdd(1, '0')"
          >添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button
                v-if="scope.row.type === 1"
                type="text"
                @click="hAdd(2, scope.row.id)"
              >添加</el-button>
              <el-button
                type="text"
                @click="hEdit(scope.row.id)"
              >编辑</el-button>
              <el-button
                v-if="scope.row.children.length === 0"
                type="text"
                @click="hDel(scope.row.id)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>

    <el-dialog
      :visible.sync="showDialog"
      :title="isEdit ? '编辑' : '添加'"
      @close="resetForm"
    >
      <!-- 表单内容 -->
      <el-form
        ref="formData"
        label-width="100px"
        :model="formData"
        :rules="rules"
      >
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述" prop="description">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>

      <template #footer>
        <div style="text-align: right">
          <el-button @click="showDialog = false">取消</el-button>
          <el-button type="primary" @click="hSubmit">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { tranListToTreeData } from '@/utils'
import {
  getPermissionList,
  addPermission,
  getPermissionDetail,
  updatePermission,
  delPermission
} from '@/api/permissions'

export default {
  data() {
    return {
      list: [], // 权限列表
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
      showDialog: false, // 添加权限弹框
      // 校验规则
      rules: {
        name: [
          { required: true, message: '权限名称不能为空', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '权限标识不能为空', trigger: 'blur' }
        ],
        description: [
          { required: true, message: '权限描述不能为空', trigger: 'blur' }
        ]
      },
      isEdit: false // 判断是否编辑
    }
  },
  created() {
    // 获取权限列表
    this.loadPermissionList()
  },
  methods: {
    // 关闭重置表单
    resetForm() {
      this.$refs.formData.resetFields()
    },
    // 获取权限列表
    async loadPermissionList() {
      try {
        const res = await getPermissionList()
        // console.log('获取权限数据', res)
        this.list = tranListToTreeData(res.data)
      } catch (err) {
        console.log(err)
      }
    },
    // 点击删除
    hDel(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async() => {
          // 确认
          await delPermission(id)
          this.loadPermissionList()
          this.$message.success('删除成功')
        })
        .catch(() => {
          // 取消
        })
    },
    // 点击添加
    hAdd(type, id) {
      this.showDialog = true
      this.isEdit = false
      this.formData.type = type
      this.formData.pid = id
    },
    // 点击编辑
    async hEdit(id) {
      this.showDialog = true
      this.isEdit = true
      const { data: res } = await getPermissionDetail(id)
      // console.log(res)
      this.formData = res
    },
    // 点击确定
    hSubmit() {
      this.$refs.formData.validate((valid) => {
        if (valid) {
          this.isEdit ? this.doEdit() : this.doAdd()
        }
      })
    },
    // 添加请求
    async doAdd() {
      try {
        await addPermission(this.formData)
        this.showDialog = false
        this.loadPermissionList()
        this.$message.success('添加成功')
      } catch (error) {
        this.$message.error('添加失败')
      }
    },
    // 编辑申请
    async doEdit() {
      try {
        await updatePermission(this.formData)
        this.showDialog = false
        this.loadPermissionList()
        this.$message.success('编辑成功')
      } catch (error) {
        this.$message.error('编辑失败')
      }
    }
  }
}
</script>
